Part Number
Part Number:
NSN:
NIIN:
Item Name:
ROLLER , LINEAR-ROTARY MOTION
Definition:
A CYLINDRICAL BODY HAVING A CENTRALLY LOCATED HOLE TO ACCOMMODATE A PIN OR SHAFT FOR ATTACHMENT TO A PUSH ROD GUIDE, YOKE, ROCKER ARM, TURNTABLE, OR RAIL. THE ITEM PROVIDES A ROLLING CONTACT WITH THE FACE OF A VALVE STEM, OR THE LOBES OF A CAM RING OR CAMSHAFT ON ENGINES, FUEL INJECTION PUMPS, LATCHES, TURNTABLES, PARALLEL BEARING SURFACES REQUIRING A ROLLER SUPPORT, AND THE LIKE. EXCLUDES BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; AND FRICTION BEARINGS. SEE ALSO CAM FOLLOWER, NEEDLE BEARING.
CAGE Information
| Code | Company |
|---|---|
| 21335 | TIMKEN AEROSPACE, INC TIMKEN AEROSPA |
Federal Supply Class
Title
BEARINGS, PLAIN, UNMOUNTED
Inclusions:
INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.
Exclusions:
EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| BQWC | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.021 IN. MIN,0.031 IN. MAX RADIUS |
| MATL | MATERIAL | STEEL,AMS 5630 AND PLASTIC,POLYTETRAFLUOROETHYLENE |
| STYL | STYLE DESIGNATOR | PLAIN |
| AETC | METALLIC HARDNESS RATING | 58.0 MINIMUM ROCKWELL C |
| BCXD | BORE INSIDE DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | PLASTIC LINER BONDED TO BORE AND FACES |
| ABKV | OUTSIDE DIAMETER | 0.999 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| AQPL | FACE WIDTH | 0.995 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |